index number

index number

index number, in econometrics, a figure reflecting a change in value or quantity as compared with a standard or base. The base usually equals 100 and the index number is usually expressed as a percentage. For example, if a commodity cost twice as much in 1970 as it did in 1960, its index number would be 200 relative to 1960. Index numbers are used especially to compare business activity, the cost of living, and employment; one of the most influential indexes in the United States is the Consumer Price Index (see under cost of living). Index numbers enable economists to reduce unwieldy business data into easily understood terms.

See R. Marris, Economic Arithmetic (1958).

A Postal Index Number or PIN or Pincode is the post office numbering or post code system used by India Post the Indian postal administration. PIN stands for Postal Index Number and the code is 6 digits long. The PIN was introduced on August 15, 1972.

Structure

There are 8 PIN regions in India. The first digit of the PIN code indicates the region in which a given post office falls in. The second digit indicates the sub-region, and the third digit indicates the sorting district within the region. The final three digits are assigned to individual post offices.

The 9 PIN regions cover the Indian states and union territories as:

First 2 Digits of PIN Postal Circle
11 Delhi
12 and 13 Haryana
14 to 16 Punjab
17 Himachal Pradesh
18 to 19 Jammu & Kashmir
20 to 28 Uttar Pradesh
30 to 34 Rajasthan
36 to 39 Gujarat
40 to 44 Maharastra
45 to 49 Madhya Pradesh
50 to 53 Andhra Pradesh
56 to 59 Karnataka
60 to 64 Tamil Nadu
67 to 69 Kerala
70 to 74 West Bengal
75 to 77 Orissa
78 Assam
79 North Eastern India
80 to 85 Bihar and Jharkhand

See also

References

External links

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